Comparison

Justnote vs Strongbox Zero

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Justnote

This privacy-focused note-taking app uses Web3 technology for end-to-end encryption, ensuring only you can access your notes. It offers a rich text editor and syncs across all your devices. An optional subscription unlocks advanced features and supports the developer.

Highlights
  • End-to-end encryption
  • Cross-device sync
  • Rich text editor
  • Web3 technology integration
  • Account and data control
  • Optional subscription for extra features
Features
Read full description

Your privacy-focused note-taking app. Justnote helps you take notes easily anytime on any device. Powered by Stacks technology, all your saved notes are encrypted, and only you can decrypt them and see the content inside. Justnote is a simple note-taking app, yet powerful enough. Our WYSIWYG-rich text editor has features like bold, underline, font color, and background color. You can take notes easily and quickly. Justnote is your quick note-taking app for your to-do lists, reminders, shopping lists, memos, thoughts, etc. Justnote is ubiquitous. You can use Justnote on any of your devices. All your notes are synced across your devices automatically. Powered by Web3 technology from Stacks: • Your account is cryptographically generated; only you, with your Secret Key, can control it. Your account cannot be locked, banned, or deleted by anyone, as your Secret Key is required to access and modify your account. • Everything is encrypted; only you, with your Secret Key, can see the content inside. No one can see the content inside your data, so it cannot be used to create targeted ads. If your data is stolen, no information is leaked. • Your data lives in a data server of your choice; only you, with your Secret Key, can change it. You can manage your data and set permissions directly, as you can host your own data server or choose any data server provider. Bring back control of your account and data one note at a time with Justnote, powered by Web3 technology from Stacks, to ensure your privacy cannot be compromised. Not only that, Justnote doesn't be evil; Justnote can't be. Justnote offers one simple no-tricks subscription plan to support us and unlock all extra features: - Tags - Lock lists & notes - More font sizes - Dark appearance - Custom date format - Section by month - Pin to the top It's our intention to never show advertisements, and we don't rent, sell, or share your information with other companies. Our optional paid subscription is the only way we make money. Please support us and unlock all extra features. Terms of Service: https://justnote.cc/#terms Privacy Policy: https://justnote.cc/#privacy Support: https://justnote.cc/#support

About

Strongbox Zero

This app securely stores and protects your passwords with a master password. It supports open-source formats and offers advanced security features like biometric unlock and hardware token protection. It's designed for users who prefer a local-only password management solution.

Highlights
  • Local-only password storage
  • Biometric and PIN unlock
  • YubiKey hardware token protection
  • Military-grade cryptography
  • Password auditing for weak passwords
  • Secure document attachment viewer
  • Import/Export via Files app and Email
Features
Read full description

Strongbox Zero is a version of the well known and loved Strongbox with all of the networking code and as many third party libraries stripped out as we could! Think of it as the Drag Racer version of Strongbox! If you're a fan of Local Only password managers this could be the right choice for you. We recommend you get to know (and love!) the regular Strongbox first through the Freemium app. Once you're happy and sure you want to go local only, go for Strongbox Zero... Strongbox Zero is an application for keeping all your passwords safely stored and protected by one master password. Supporting the open source Password Safe and KeePass formats. *** Features *** - Face ID/Touch ID Unlock for the ultimate in convenience, security and speed. - PIN Code Unlock with a Duress PIN option for those tricky situations. - YubiKey protection - secure your databases with a hardware token. - Secure - protected by time tested military grade cryptography. - Private - Isolated In-App attachments viewer for your sensitive documents, photos & videos. - Audit your passwords - Automatically check your database for weak passwords - Search your entire set of passwords and secrets instantly and powerfully, with deep search. Autocomplete new entries, and auto generate secure passwords. - Compatible - Import/Export by Files app, Email, CSV, iTunes File Sharing - Standards compliant - using the time tested Password Safe and KeePass formats so you can import any existing password safe you have. - Features galore - Incredibly configurable password generation including Diceware (XKCD) & regular passwords. - Timed Auto Clear Clipboard. - Entry History. - KeePass Field References, Tags & Custom Icons. - Two Factor Authentication codes (TOTP) - QR Code, Steam & Manual. --------------------------------------------------------------------- • Payment will be charged to iTunes Account at confirmation of purchase • Strongbox Privacy Policy may be found here: https://strongboxsafe.com/privacy-policy/ • Strongbox Terms of Use may be found here: https://strongboxsafe.com/terms/

Screenshots

Justnote4 screens
Strongbox Zero4 screens

Verdict

The call

The clearest difference is price: Justnote at Free against Strongbox Zero's $99.99. Strongbox Zero's advantage is rating (4.3 vs 3.4) and in-app purchases (none vs 1). On update cadence, ads and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Justnote is free to download; Strongbox Zero costs $99.99 up front. Justnote sells 1 in-app purchase, starting at $4.99 per year. Strongbox Zero asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Strongbox Zero holds the better App Store score, 4.3 against 3.4. Both are backed by a comparable volume of ratings — 5 and 21 respectively. Written reviews point the same way: 50% of Justnote's written reviews are positive against 75% of Strongbox Zero's.

UpkeepUpdate frequency

Justnote ships an update monthly, Strongbox Zero every 2 weeks. The most recent releases landed on June 1, 2026 and September 22, 2026 respectively.

Scorecard7 real differences · 3 level
Justnote versus Strongbox Zero: the parameters behind the verdict, then further details
ParameterJustnoteStrongbox Zero
PriceFree — better$99.99
Rating3.4 (5 ratings)4.3 (21 ratings) — better
Positive reviews50.0% of reviews75.0% of reviews — better
Number of ratings521 — better
Update frequencyMonthlyEvery 2 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac, Apple Watch — better
Requires iOS15.515.0 — better
Further details — not scored
Size50 MB96 MB
Age rating4+4+
DeveloperSTX APPS COMPANY LIMITEDPhoebe Code Limited

Customer experience

Justnote

All ratings5 ratings
Positive60.0%
Neutral0.0%
Negative40.0%
Written reviews6 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Strongbox Zero

All ratings21 ratings
Positive85.7%
Neutral0.0%
Negative14.3%
Written reviews20 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

In-app purchases

1 purchases

Justnote

Subscriptions1
  • Supporter14 Days trial$4.991 Year
None

Strongbox Zero

No in-app purchases

Questions

Is Justnote free?
Justnote is free to download, with in-app purchases available.
Is Strongbox Zero free?
Strongbox Zero costs $99.99, with no in-app purchases.
Which has better reviews, Justnote or Strongbox Zero?
Strongbox Zero is rated higher. Justnote averages 3.4 out of 5 from 5 ratings, while Strongbox Zero averages 4.3 from 21 ratings.
Do Justnote or Strongbox Zero have ads?
Neither Justnote nor Strongbox Zero shows ads.
Which is updated more often, Justnote or Strongbox Zero?
Justnote ships an update monthly, and Strongbox Zero every 2 weeks. Most recently, Justnote was updated on June 1, 2026 and Strongbox Zero on September 22, 2026.

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